Bug 838014 - Rooting in ionmonkey. r=terrence. Relanding.

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extra : rebase_source : 6df06564ba73b2f3c34274e077025c510f5e9ccc
Bug 838014 - Rooting in the JS shell. r=terrence. Re-landing.

--HG--
extra : rebase_source : 5b326721e40b3f2b88a174f0076fcd04a0829aaa
Bug 838014 - Rooting in jsapi-tests/. r=terrence. Landing again.

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extra : rebase_source : d42fbf0161f4c9758ada38d1d08a2583ab111376